![Simon Jones on X: "Today's📷: French medic & M2 gas mask. Used from April 1916, the M2 protected against quite a high concentration of phosgene but was uncomfortable as the wearer breathed Simon Jones on X: "Today's📷: French medic & M2 gas mask. Used from April 1916, the M2 protected against quite a high concentration of phosgene but was uncomfortable as the wearer breathed](https://pbs.twimg.com/media/ESBx8FHXUAAPcvP.jpg:large)
Simon Jones on X: "Today's📷: French medic & M2 gas mask. Used from April 1916, the M2 protected against quite a high concentration of phosgene but was uncomfortable as the wearer breathed
![History! by Zhukov - The Military History Emporium — A French medic models the M2 gas mask. Although... History! by Zhukov - The Military History Emporium — A French medic models the M2 gas mask. Although...](https://64.media.tumblr.com/216cb74e9fd6c4ce2476cbfab962c7c2/tumblr_n1413n5rB91rcoy9ro1_500.jpg)
History! by Zhukov - The Military History Emporium — A French medic models the M2 gas mask. Although...
![1944 U.S. M2-10-6 Army Lightweight Optical Mask Restoration - FIELD & PERSONAL GEAR SECTION - U.S. Militaria Forum 1944 U.S. M2-10-6 Army Lightweight Optical Mask Restoration - FIELD & PERSONAL GEAR SECTION - U.S. Militaria Forum](https://www.usmilitariaforum.com/forums/uploads/monthly_04_2019/post-207727-0-31782500-1555400372.jpg)
1944 U.S. M2-10-6 Army Lightweight Optical Mask Restoration - FIELD & PERSONAL GEAR SECTION - U.S. Militaria Forum
![United States Korean War M2-10A1-6 Lightweight Optical Gas mask dated 1952, produced by Firestone tire and rubber. : r/gasmasks United States Korean War M2-10A1-6 Lightweight Optical Gas mask dated 1952, produced by Firestone tire and rubber. : r/gasmasks](https://preview.redd.it/gf6em57ccz681.jpg?width=640&crop=smart&auto=webp&s=69628bc935d2e56629565497c7c394ac62b6641f)